Vintage 80s Levi's 501 Button Fly Red Tag Classic Size 31x38 one single white paper tag code on the back of the top button is the factory code 558 paper tag has 1 81 558 we decipher that to mean Jan of 1981 and than the 558 factory code that matches the top button pre-owned condition is so Levi's Perfect, they even are stiff, but that could be from someone ironing them because the batch I got these in, most of the jeans had been ironed see all pics for condition